Worksheet: Making Two-Digit Numbers

In this worksheet, we will practice decomposing two-digit numbers into tens and ones in different ways, using patterns to find all the ways.

Q1:

Complete the following: 3 6 = + = 1 0 + + 1 0 + 6 ?

  • A30, 6, 10
  • B10, 6, 10
  • C10, 3, 10
  • D60, 3, 10

Q2:

Which place value table also shows 74?

Hint: Regroup tens into ones.

  • A
  • B
  • C

Q3:

Daniel knows that 32 is 3 tens and 2 ones.

There are other ways to make 32.

Regroup 1 ten into 10 ones. Find the missing part.

32 is 2 tens and ones.

Regroup another ten into 10 ones. Find the missing part.

32 is 1 ten and ones.

Q4:

Daniel knows that there are lots of ways to make the same number.

What number is missing from the equation?

What number is missing from the equation?

Q5:

Madison knows that 58 is 5 tens and 8 ones and that 5 0 + 8 = 5 8 .

What number is missing?

What number is missing?

Q6:

Complete the following: 5 0 + 2 0 + 4 = + = .

  • A70, 20, 74
  • B70, 50, 74
  • C70, 24, 74
  • D70, 4, 74

Q7:

Ethan and Jennifer both have 48 cubes. They want to find different ways to make 48.

Look at how Ethan decomposed 48 into tens and ones.

What is the missing part in this part-whole model?

Look at how Jennifer decomposed 48 into tens and ones.

What is the missing part in this part-whole model?

If you only make 2 groups of ten, what is the missing part in this part-whole model?

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